SIGNIFICANT ACCOUNTING POLICIES - Summary of Revenue by Solution (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Total revenues	$ 27,528	$ 10,414	$ 57,690	$ 38,578
Revenue percentage	100.00%	100.00%	100.00%	100.00%
Mailbacks
Disaggregation of Revenue [Line Items]
Total revenues	$ 20,893	$ 4,702	$ 37,507	$ 20,383
Revenue percentage	75.90%	45.10%	64.90%	52.80%
Route-based pickup services
Disaggregation of Revenue [Line Items]
Total revenues	$ 3,597	$ 2,625	$ 10,244	$ 7,762
Revenue percentage	13.10%	25.20%	17.80%	20.10%
Unused medications
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,078	$ 2,111	$ 6,152	$ 6,815
Revenue percentage	7.50%	20.30%	10.70%	17.70%
Third party treatment services
Disaggregation of Revenue [Line Items]
Total revenues	$ 76	$ 38	$ 390	$ 123
Revenue percentage	0.30%	0.40%	0.70%	0.30%
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 884	$ 938	$ 3,397	$ 3,495
Revenue percentage	3.20%	9.00%	5.90%	9.10%